Banksia benthamiana C.A.Gardner

Shrub to 4 m tall, without lignotuber. Bark roughly flaking, grey. Stems tomentose. Leaves: petiole 5-15 mm long; lamina linear, 10-25 cm long, 5-10 mm wide, acute; margins flat, shortly serrate to entire; both surfaces densely pubescent, glabrescent. Inflorescence on short lateral branchlet, 5-10 cm long; involucral bracts tomentose, persistent. Flowers golden orange to orange-brown, including styles. Perianth 20-24 mm long including limb of 4-5 mm, pubescent outside, hirsute inside along margins. Pistil curved, 23-26 mm long, glabrous; pollen presenter narrow, 1.5 mm long, finely ribbed. Old flowers persistent. Follicles up to 130, narrowly elliptic, 10-15 mm long, 3-5 mm high, 3-5 mm wide, smooth, tomentose. Seed obovate, 17-19 mm long; seed body cuneate, 7-8 mm long, 4-5 mm wide, smooth inside, rugose outside.

Found in brownish yellow sandy loam or clay-loam, sometimes over laterite, on plains in shrubland.